Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2004
06/17/2004DE10255330A1 Verfahren zur Einstellung der Versorungsspannung für eine Verstärkerstufe und Verstärkeranordnung Method for adjusting the supply voltage for an amplifier stage and the amplifier arrangement
06/17/2004DE10242218B3 Verfahren zur Ansteuerung eines Schalters in einem freischwingenden Schaltnetzteil und Ansteuerschaltung für einen Schalter in einem freischwingenden Schaltnetzteil Method for driving a switch in a freely oscillating switching power supply and control circuit for a switch in a freely oscillating switching power supply
06/16/2004EP1429461A1 Switching power supply
06/16/2004EP1429394A2 Photovoltaic power generating apparatus, method of producing the same and photovoltaic power generating system
06/16/2004EP1429221A1 Power supply ic having switching regulator and series regulator
06/16/2004EP1428309A1 Device for measuring a chopped current
06/16/2004EP1428308A2 Control method and apparatus for a flyback converter
06/16/2004EP1243066B1 High-voltage transformer
06/16/2004CN1505776A Electronic dimmable ballast for high intensity discharge lamp
06/16/2004CN1505248A Electric charge pumping circuit having time pulse multiplication and process thereof
06/16/2004CN1505237A Power supply control method, current-to-voltage conversion circuit and electronic apparatus
06/16/2004CN1504852A Stabilized voltage type multichannel pulsewave width modulating converter
06/16/2004CN1504851A Multichannel pulsewave width modulating converter with balanced current
06/16/2004CN1154401C Lighting circuit of discharging lamp
06/15/2004US6751109 Dual input AC/DC/ battery operated power supply
06/15/2004US6751107 DC power supply device with constant power output level
06/15/2004US6750723 Molding, annealing magnetic core of glassy alloy and insulation material; controlling temperature
06/15/2004US6750695 Voltage pump and a level translator circuit
06/15/2004US6750642 Power conserving regulator having intermittently connectable controller
06/15/2004US6750640 Method and apparatus providing final test and trimming for a power supply controller
06/15/2004US6750639 Method and circuit for limiting a pumped voltage
06/15/2004US6750637 Switching power supply
06/11/2004CA2452739A1 Switched-mode power supply
06/10/2004WO2004049548A1 Method of setting bi-directional offset in a pwm controller using a single programming pin
06/10/2004WO2004049296A1 Multi output dc/dc converter for liquid crystal display device
06/10/2004WO2004038900A3 Ac-dc power converter having high input power factor and low harmonic distortion
06/10/2004WO2003028197A3 Split topology power supply architecture
06/10/2004US20040109336 Integrated rectifying element
06/10/2004US20040109335 Synchronous rectifier with burst mode control
06/10/2004US20040109334 Switching power supply
06/10/2004US20040109278 Transformer circuit
06/10/2004US20040108842 Power supply unit
06/10/2004US20040108841 Converter for electronic flashlight
06/10/2004US20040108773 Capacitor and switch components cooperation to maintain input voltage to target circuit at or above cut-off voltage until power circuit is able to maintain the input voltage
06/09/2004EP1427093A1 Multi-output dc-dc converter
06/09/2004EP1427092A1 Method for controlling a switched mode power supply comprising a unique inductor and multiple outputs, switched mode power supply using the same, particularly for a cellular mobile phone
06/09/2004EP1370917A4 Electronic dimmable ballast for high intensity discharge lamp
06/09/2004EP1245073B1 Charge pump system having multiple independently activated charge pumps and corresponding method
06/09/2004EP1169772B1 Power supply unit including an inverter
06/09/2004DE10351033A1 High voltage half bridge gate driver for MOSFET power transistors has soft disconnection protection step and diagnostic feedback using external power supply and control
06/09/2004DE10255433A1 Mobile voltage supply circuit operating method in which the circuit can be operated in energy saving mode, especially for a motor vehicle safety system, whereby in energy saving mode two point regulation is used
06/09/2004DE10255431A1 Limiting switch-on current of DC converter supplied by DC voltage source involves clocking switch before DC converter so that switch-on current is limited to excess current switch-off value
06/09/2004CN2620426Y Double induction dc boost conveying ac circuit
06/09/2004CN1504014A Method and circuit reducing reverse currents in synchronous rectifier converter circuit
06/09/2004CN1504010A Battery-driven electronic device and mobile communication apparatus
06/09/2004CN1503931A Voltage generation circuit
06/09/2004CN1503444A DC boosting conversion circuit
06/09/2004CN1503443A Stabilized DC power supply device
06/09/2004CN1503442A Dc/dc变换器 Dc / dc converter
06/09/2004CN1503441A DC/dc boosting transformer and control method
06/09/2004CN1503440A Voltage step down circuit, power source circuit ands emiconductor integrated circuit
06/09/2004CN1503379A Solar electricity generator and mfg method, solar electricity generation system
06/09/2004CN1503273A Boosting circuit and non-volatile semiconductor storage device containing the same
06/09/2004CN1153445C Switch type power supply
06/09/2004CN1153348C Circuit for controlling a pulse width modulator in a switched-mode power supply
06/09/2004CN1153341C Charging pump circuit for low supply voltage
06/09/2004CN1153230C Non-contact type power transfer device
06/09/2004CA2452648A1 Isolated dc-dc converters
06/08/2004US6747897 Semiconductor charge pump circuit and nonvolatile semiconductor memory device
06/08/2004US6747883 Switching power supply circuit
06/08/2004US6747880 Self-powered synchronous rectifiers
06/08/2004US6747855 Innovative regulation characteristics in multiple supply voltages
06/08/2004US6747444 Off-line converter with digital control
06/08/2004US6747443 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
06/08/2004US6747442 Multiphase integrated DC-to-DC voltage converter
06/08/2004US6747441 Non-synchronous switching regulator with improved output regulation at light or low loads
06/08/2004US6747440 Voltage regulator circuit for smart card ICs
06/03/2004WO2004047303A1 Protection circuit and method for floating power transfer device
06/03/2004WO2004047296A1 Integrated floating power transfer device with electromagnetic emission control circuit and method
06/03/2004WO2004047295A1 Integrated floating power transfer device with logic level control and method
06/03/2004WO2004047279A1 Dc/ac converter and its controller ic
06/03/2004WO2004047278A1 Synchronous rectification switching power supply
06/03/2004WO2004047277A1 Power converter
06/03/2004WO2004047276A1 Power converter circuitry and method
06/03/2004WO2004047275A1 System and method for providing digital pulse width modulation
06/03/2004WO2004047274A1 Booster circuit
06/03/2004WO2004047272A2 Power converter circuitry and method
06/03/2004WO2004047271A2 Power converter circuitry and method
06/03/2004WO2004047270A2 Power converter circuitry and method
06/03/2004WO2004047268A2 Power converter circuitry and method
06/03/2004WO2004047267A2 Power converter circuitry and method
06/03/2004WO2004047266A2 Digital signal to pulse converter
06/03/2004WO2004047265A2 Power converter circuitry and method
06/03/2004WO2004047264A2 Power converter circuitry and method
06/03/2004WO2004047263A2 Power converter circuitry and method
06/03/2004WO2004047261A2 Power converter circuitry and method
06/03/2004WO2004047260A2 Power converter circuitry and method
06/03/2004WO2004047259A2 Power converter circuitry and method
06/03/2004WO2004047249A2 Control ic for low power auxiliary supplies
06/03/2004WO2004013950A3 Dc/dc down converter
06/03/2004WO2003107506A3 Charger for rechargeable batteries
06/03/2004WO2003034576A3 Method and system for charge pump active gate drive
06/03/2004US20040105288 Power conversion device
06/03/2004US20040105287 Inverter driving device and method
06/03/2004US20040105286 DC/DC bridge control unit for controlling a direct-current load
06/03/2004US20040105285 Power supply control method, current-to-voltage conversion circuit and electronic apparatus
06/03/2004US20040105284 Method and apparatus for current limiting of an output of a DC-to-DC converter
06/03/2004US20040105283 Optimal control of wide conversion ratio switching converters
06/03/2004US20040105282 Power supply with a reduced harmonic load on the mains system , and a corresponding appliance
06/03/2004US20040105281 Power supply and control circuit that adjusts output power based on variable input power and power supply control method for controlling output power based on variable input power